221457694

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{3697}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 338411376

約数和(自身を除く): 116953682

約数列:

[1, 2, 61, 122, 491, 982, 3697, 7394, 29951, 59902, 225517, 451034, 1815227, 3630454, 110728847, 221457694]

約数ペア:

[(1, 221457694), (2, 110728847), (61, 3630454), (122, 1815227), (491, 451034), (982, 225517), (3697, 59902), (7394, 29951)]